Wakanda starts at $420/Year

4D published the first price

On the current beta page you can find a starting price for Wakanda:

Availability and Pricing
Wakanda production release will be available in June in both community and commercial versions. The community version of Wakanda will be free. Monthly subscriptions for commercial licenses and developer support will start at $35 per month for one developer and will include royalty-free, unlimited deployment rights.